HE Swift Cloning Kit
The kit features the novel positive selection cloning vector pHE. This vector contains a lethal gene which is disrupted by ligation of a DNA insert into the cloning site. As a result, only cells with recombinant plasmids are able to propagate, eliminating the need for expensive blue/white screening.
The vector contains an expanded multiple cloning site, as well as a T7 promoter for in vitro transcription. Sequencing primers are included for convenient sequencing of the insert.
Cloning Principle
Quick and efficient: Blue/white screening is not necessary, and the whole ligation process can be finished within 5 min.
Sensitive and widely applied: Good for the ligation of low concentration fragments and long fragments, works for both blunt and sticky end product.
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No need for blue white screening.
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Ligation time: 5 minutes.
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Suitable for blunt-end and sticy-end PCR product.
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Insert PCR Product from HE Swift Cloning Kit
Fig 1. Insert product (size: 909 bp).M, Marker; Lane 1, Insert PCR product.
Ligation Mixture PCR from HE Swift Cloning Kit
Fig 2. Ligation mixtureM, Marker; Lane 1, ligation mixture
Colony PCR determining positive clone from HE Swift Cloning Kit
Fig 3. Colony PCR
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A: Typical competent cell is suitable.
Q2. How to improve the efficiency of HE Swift cloning kit?
A: Every step of cloning can increase efficiency. Whether insert and vector has been purified, the propoion of vector and insert. The protocol for transformation is also inportant.